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Finding the Fourth Proportional to 424,686.82, 586,092 and 243,428.89

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Solution

The fourth proportional to 424,686.82, 586,092 and 243,428.89 is: 335,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,686.82 : 586,092 = 243,428.89 : x
  2. Step 2: Convert to fraction form
    424,686.82/586,092 = 243,428.89/x
  3. Step 3: Cross multiply
    424,686.82x = 586,092 × 243,428.89
  4. Step 4: Simplify right side
    424,686.82x = 142,671,724,997.88
  5. Step 5: Solve for x
    x = 142,671,724,997.88/424,686.82
  6. Step 6: Final answer
    x = 335,945.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.